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Both Adrian Peterson and Matt Leinart played on fantastic teams -- ranked No. 2 and No. 1 respectively throughout the season -- but Leinart benefitted from two factors. Not only did his Southern Cal squad go undefeated, but also he had seniority: he was a junior, while Peterson was only a freshman. In the 75 years the Heisman Trophy has been awarded, a freshman has never won.

Text: Ben Eagle, SI.com
Photo: David E. Klutho/SI

Average: 3.3 (4 votes)